Ticket #22790: 22790-valid-children.patch

wp-includes/js/tinymce/plugins/wordpress/editor_plugin_src.js

@@ -138 +138 @@
                         // Extend <object> and <embed> (#WP22790)
                         ed.onPreInit.add(function(ed) {
                                 ed.schema.addValidElements('object[*],param[id|name|value|valuetype|type],embed[*]');
-                                ed.schema.addValidChildren('object[*]');
+                                ed.schema.addValidChildren('+object[embed]');
                         });
 
                         ed.onInit.add(function(ed) {